| GENERAL CHARACTERISTICS ITEM DESCRIPTION | 6.520 IN. O/A LG,ROTOR,DATA FOR INVOLUTE ROTOR,NUMBER OF @LOBES 2,3.000 IN. PITCH DIA. 0.6667 IN. NORMAL DIA. PITCH,4.7123 IN. NORMAL CIRCULAR PITCH,44.95 DEG. NORMAL PRESSURE ANGLE,2.1232 IN. BASE CIRCLE DIA. 0.7425 IN. ADDENDUM,0.018 IN. BACKLASH WITH MATING ROTOR,3.000 IN. CENTER DISTANCE WITH MATING ROTOR |